import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/home.vue'
import Welcome from '../components/Welcome.vue'
import User from '../components/Use.vue'
import Rights from '../components/power.vue'
import Roles from '../components/Roles.vue'
import Cate from '../components/Cate.vue'
Vue.use(VueRouter)
const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path:'/home',
    component: Home,
    redirect: '/welcome',
    children:[{
      path: '/welcome',
      component: Welcome
    },
  {
    path: '/users',
    component: User
  },
{
  path: '/rights',
  component: Rights
},{
  path: '/roles',
  component: Roles
},
{
  path: '/categories',
  component: Cate
}]
  }
]
const router = new VueRouter({
  routes
})
router.beforeEach((to,from,next) => {
  if(to.path === '/login'){
    return next();
  }
  else{
  const tokenStr = window.sessionStorage.getItem('token')
  if(tokenStr){
    next();
  }
  else{
    return next('/login')
  }
  }
})
export default router
